Cita APA (7a ed.)

Rock, J., & Herter, C. A. (1963). The time has come: A catholic doctor's proposals to end the battle over birth control. Longmans Green and Co Ltd.

Cita Chicago Style (17a ed.)

Rock, John, y Christian Archibald Herter. The Time Has Come: A Catholic Doctor's Proposals to End the Battle over Birth Control. London: Longmans Green and Co Ltd, 1963.

Cita MLA (9a ed.)

Rock, John, y Christian Archibald Herter. The Time Has Come: A Catholic Doctor's Proposals to End the Battle over Birth Control. Longmans Green and Co Ltd, 1963.